/*
 * Copyright 2002-2017 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.springframework.jms.config;

import javax.resource.spi.ResourceAdapter;

import org.springframework.jms.listener.endpoint.JmsActivationSpecConfig;
import org.springframework.jms.listener.endpoint.JmsActivationSpecFactory;
import org.springframework.jms.listener.endpoint.JmsMessageEndpointManager;
import org.springframework.jms.support.destination.DestinationResolver;
import org.springframework.lang.Nullable;

/**
 * A {@link JmsListenerContainerFactory} implementation to build a
 * JCA-based {@link JmsMessageEndpointManager}.
 *
 * @author Stephane Nicoll
 * @since 4.1
 */
public class DefaultJcaListenerContainerFactory extends JmsActivationSpecConfig
        implements JmsListenerContainerFactory<JmsMessageEndpointManager> {

    @Nullable
    private ResourceAdapter resourceAdapter;

    @Nullable
    private JmsActivationSpecFactory activationSpecFactory;

    @Nullable
    private DestinationResolver destinationResolver;

    @Nullable
    private Object transactionManager;

    @Nullable
    private Integer phase;


    /**
     * @see JmsMessageEndpointManager#setResourceAdapter(ResourceAdapter)
     */
    public void setResourceAdapter(ResourceAdapter resourceAdapter) {
        this.resourceAdapter = resourceAdapter;
    }

    /**
     * @see JmsMessageEndpointManager#setActivationSpecFactory(JmsActivationSpecFactory)
     */
    public void setActivationSpecFactory(JmsActivationSpecFactory activationSpecFactory) {
        this.activationSpecFactory = activationSpecFactory;
    }

    /**
     * @see JmsMessageEndpointManager#setDestinationResolver(DestinationResolver)
     */
    public void setDestinationResolver(DestinationResolver destinationResolver) {
        this.destinationResolver = destinationResolver;
    }

    /**
     * @see JmsMessageEndpointManager#setTransactionManager(Object)
     */
    public void setTransactionManager(Object transactionManager) {
        this.transactionManager = transactionManager;
    }

    /**
     * @see JmsMessageEndpointManager#setPhase(int)
     */
    public void setPhase(int phase) {
        this.phase = phase;
    }


    @Override
    public JmsMessageEndpointManager createListenerContainer(JmsListenerEndpoint endpoint) {
        if (this.destinationResolver != null && this.activationSpecFactory != null) {
            throw new IllegalStateException("Specify either 'activationSpecFactory' or " +
                    "'destinationResolver', not both. If you define a dedicated JmsActivationSpecFactory bean, " +
                    "specify the custom DestinationResolver there (if possible)");
        }

        JmsMessageEndpointManager instance = createContainerInstance();

        if (this.resourceAdapter != null) {
            instance.setResourceAdapter(this.resourceAdapter);
        }
        if (this.activationSpecFactory != null) {
            instance.setActivationSpecFactory(this.activationSpecFactory);
        }
        if (this.destinationResolver != null) {
            instance.setDestinationResolver(this.destinationResolver);
        }
        if (this.transactionManager != null) {
            instance.setTransactionManager(this.transactionManager);
        }
        if (this.phase != null) {
            instance.setPhase(this.phase);
        }

        instance.setActivationSpecConfig(this);
        endpoint.setupListenerContainer(instance);

        return instance;
    }

    /**
     * Create an empty container instance.
     */
    protected JmsMessageEndpointManager createContainerInstance() {
        return new JmsMessageEndpointManager();
    }

}
